Dynamically generated resonances from the vector octet-baryon decuplet interaction in the hidden gauge formalism Speaker: Bao-Xi Sun Institute of Theoretical Physics, Beijing University of Technology Collaborators: S. Sarkar, E.Oset and M. J. VicenteVacas IWND2009(Shanghai)

1. Formalism 2. Results 3. Radiative decay

Vector-vector Interaction

Interaction Vertex

Anomalous Term

Bethe-Salpeter Eqution

Vector meson – baryon loop function in the dimensional regularization scheme

Vector meson-baryon loop function accounting for the width of the intermediate states

Decay modes

S=-1 ， I=0 Channel

S=-1 ， I=1Channel

Resonance for S=-1,I=1 channel

[hep-ph]

Radiative decay into γandΒ D

Decay width for radiative decay

ρωφCouplings of resonances

Decay widths [hep-ph]

Conclusions 1.Ten resonances in the different strangeness and isospin channels. Degenerate in J P =1/2 -, 3/2 -, 5/ Radiative widths are of the order of 1MeV. 3.Radiative decay widths are different about one order of magnitude between the widths for different charge states of the same resonance.

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